Six-wheel-truck equalizing arrangement



Feb. 2o, vw23. 1,445,890

K. ISHIBASHI SIX-WHEEL TRUCK EQUALIzlNG ARRANGEMENT Filed May 24, 1922 Y v Y f ZUe/Z f marais/abad@ @www www, l

Patented Feb. 20, 1923.

KATSURO ISHIBASHI, OF CHCAGO, ILLINOIS, ASSIG-NOR TO AMERICAN FOUNDRIES, OF'CHICAGO, ILLINOIS, A CORPORATIONOFYNEWHJERSEY. j i

vsrx,-vvHnnL-TRUCK neuniirzrne .aananear/rraar.;v

applicationfilednayfae, 1922. "sei-iai no. .$3,258.-

T o all whom it may concer/n.:

'Be it known that I, Karsono IsHIBAsHI, a subject of the Emperor of Japan, residing at Chicago, in the county of Cook and State of Illinois, have `invented certain new and useful improvements Vin SiX-Wheel-Truck lowing is a specification. f Y

`This invention relates to a six-wheel truck Equalizing Arrangements, of-which the folequalizing arrangement.v j One object ofthe invention is tofpro'- vide a simple and eiicientHsix-wheel equalizin'g truck arrangement whereby anequal division of the bolster end loads to the middle journal boxes on both' sides of the truck is insured and, accordingly, `any tendency`v of j 'said middle journal come.

boxes to tiltfis over- Another object is to provide a simple'cooperative arrangement between the equalizing levers and middlejournal boxes tov'meet the various requirements under service" conditions. i .These and other objects are accomplished Vby means of the arrangement disclosedon: the accompanying sheet of drawings, `1n

Figure 1' is a fragmentary vertical sectional view of a six-wheel truck embodying my invention; and Y Figure 2 is a sectional view taken in the plane of line 2-2 of Figure 1.

`The various novel features of the invention will be apparent from the following description and drawings, and will be particularly pointed out in the appended claims.

Referring to the-figures ofthe drawings, it

will be noted that I have disclosed my inven- 4oAly L11 having a relatively large central opention in connection with a six-wheel car truck having a side frame 1() with depending walls ing 12 for the reception of an intermediate journal box 18 and also having openings, not shown, for the end journal boxes. The side frame 10 also has openings 14 for the reception of transversely extending bolster members 15 which rest upon equalizing levers 16 whereby loads are transmitted through said equalizing levers to the various journal boxes. The equalizing levers 16 preferably are located between the side walls 11 of the side frame. and pivotally connected thereto by suitable fulcrum pins 17. The equalizing levers preferably-extend longitudinally inwardly and bow downwardly to form a seat for thebolster membersf15. and then extend inwardly and upwardly yand terminate in" longitudinally extending overlappingporti'ons 18. y Roller" members` 19 are carried `by the equalizing levers ltr-and.`

box Vfor guiding theylattergin its vertical movements.v Each l"equalizing' leverfhas I"a `bracket 20 which is adaptedto receive a member 21 vwhich in 'turn rests upona'spring cap 22'restingupon 4al pluralityl 'olf/springs" 23' and 24,whi'ch springs are mountedin pockets 25 at each side of the. journal 'dbox 1 i mounted, lie substantially, inthe samehorio. zontal plane with the; :equalizein,'c ;""lever1':ful-k crum 17, so lthat as the lequali'zing levers may rise and Vfall there v/"ill'be-nofv tendency i to cramp the `intermediate jourialbox or to prevent-,lits free vert-ical movement.' It will be' noted also that thel'members 21 rengage the vspring caps v22 in' practically'the samey tive horizontal movement between the memhorizontal plane, so that any'relative {vertical movement betweengthe-sidefframefand 'the j ournalfbox will cause very "little" .relaare duplicates, the `inner reduced ends 18 which overlapyeach other resting upon a shelfv 28 on the other or complementary equalizing lever. As shown, the lower surfacesof the inner ends of each of "these equalizing levers is convexly curved, as` also is each of the shelf portions28. to permit a free rocking movement of` the equalizing` levers as they rise and fall in a vertical. direction. y d

The inner end portions 18 of the equalizing levers which are opposite withrespect to each other and overlap, rest upon the associated equalizing lever yat points over the center of the springs 23 and 24, but such does not necessarily have to be the case. The

overlapping arrangement neutralizes any difference in ioads transmitted to lthe levers by the holsters byl reason of the contacts of equalizing llever portions 18 with the shelf portions 28. For example, ifthere is an excess load onv left hand lever 16, any tendency toward rotation or tilting of the journalvbox in a counter-clockwise direction, as

so 'engag'ethe sidewalls of the middle journal .middle 'journal box to'tilt. vAlso, the equal- 'iiingfleversfhavereedom of movement with respeot to the side Aframes and With respeot "to th'ejurnalboxes and, at lthe "same Itime the intermediate -vj ourn'gal boxes arefguided in `"their,f/e'rtio'al vmovements in a manner to all the require-ments under service condi-y 4 said equalizing levers.

tions.

-It is my i vftention -toicojver all modiiations oi the invention falling Within the spirit vand scope of the following Claims.

,I claim:

`1. in. a 'Six-wheel truer, the @maaien of va sidey frame, a journal box associated therewith,andy equalizin g levers having overlapping portions, one resting on the other at fa point over said journal box for transmitting` a load to lsaidjournal lbox and neutralizing any `Cliieren'oe'in loads transmitted vto said equalizing levers.

2. Ina `six-Wheel truck-,fthe lcombination of aside frame, aifjournal box 'associated therewith, and*,duplicate equalizing levers having overlapping portions each resting on the other for transmitting a load to said .journal box and neutralizing any diii'erence in loads'transmitted to said equalizing levers.v y l 3. lIn a six-Wheel trnelnthe oombination of aside frame, a journal box associated "there- With, and equallzing levers, each equalizing vlever having a shefl .portion and 'an extend- 'ing gporti'on, vthe extending p'ortion of one equalizing lever resting upon the shelf portion voff-the 'ot-herequaliiing lever for transmittingda load V to -said journal box and neutralizing any'diffe'i'enoe in loads transmitted to said equalizing levers,

.4. Ina six-WheelV truck, ithe Combination of a side fra-Ine, a jo'r'fnal `-box ass'oiated therewith, and equaliZ'ing levers having'o'verlapping portions With one resting 'on the other Aand extending over'sa'id 'journal box yfor 'transmitting a load :thereto and neit'aliing diei'ene 'in loads Ltra'`isiiiittd Ato l 5. In a six-Wheel 'truok,\'the lconn'bination of `a side frame, a .'oiirial `box,'sprii1g`s 'barned by said 'journal bei, amiequaiizing I1evei's having overlapping portions, @one 'resting'n the vot'lienat points above said'springs vfor neutralizing any inerente "in loads transmitted to said ediializing levers.

H6. 1n a .six-'Wheelt-iok,the Combination of a side iframe, "a journal box, e'qualiriiig levers having overlapping portions, oneen- .gagng'the othe'nand reisi'lientimans interfrp'o'sed bet'vvee'nsaid eqnalizing'levers 'and `'said journal box Whereby'a load 'is transmitted fromsaid equalizing levers "to said [journal box.k Y

l signada Chicago, madness '15th lday of May, 1922.

KATsUi-aoisHIBAsnI; 

